A conducting rod with a length of 25 cm is placed on a U-shaped metal wire that

Question

A conducting rod with a length of 25 cm is placed on a U-shaped metal wire that has a resistance R of 8.0 ? as shown in the figure. The wire and the rod are placed in the plane of the paper. A constant magnetic field of strength 0.40 T is applied perpendicular into the paper. An applied force moves the rod to the right with a constant speed of 6.0 m/s. What is the magnitude and direction of the induced current in the wire?


75 mA counterclockwise
17 mA clockwise
52 mA clockwise
17 mA counterclockwise
75 mA clockwise

Explanation / Answer

75 mA counterclockwise

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